CN108731985A - A kind of active soil adsorbed hydrocarbon sampling drilling tool - Google Patents
A kind of active soil adsorbed hydrocarbon sampling drilling tool Download PDFInfo
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- CN108731985A CN108731985A CN201710255706.6A CN201710255706A CN108731985A CN 108731985 A CN108731985 A CN 108731985A CN 201710255706 A CN201710255706 A CN 201710255706A CN 108731985 A CN108731985 A CN 108731985A
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- drilling tool
- drill bit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Molecular Biology (AREA)
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- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides a kind of active soil adsorbed hydrocarbons to sample drilling tool, including：Tool body comprising：Drilling rod is hollow-core construction；The drill bit being flexibly connected is formed with the drilling rod, is hollow-core construction, is equipped in the end opposite with the drilling rod and collects neat hole；The handle that T-shaped is connect is formed with the drilling rod, is located at the opposite side of the drill bit；Adsorbed hydrocarbons sampling apparatus comprising：Filter core is located at the hollow drill bit internal, is connect with the neat hole of collection；Waterproof and breathable component is located at the hollow drill bit internal, is connect with the filter core；Sampling pipe is located inside the hollow drilling rod, and one end is connect with the waterproof and breathable component, and the other end connects collection device；Air sampler；It is placed outside in air, is connect with collection device by pipeline.Adsorbed hydrocarbons sampling apparatus is combined into one by drilling tool of the present invention with drilling tool, while can monitor various parameters, integrated level and high degree of automation.
Description
Technical field
The present invention relates to a kind of active soil adsorbed hydrocarbons to sample drilling tool, belongs to oil and gas geochemical exploration field.
Background technology
Adsorbing Filament Technique is to adsorb micro gaseous hydrocarbons in stratum using adsorbent, then by thermal desorption, use chromatography-mass spectroscopy
The method that hydro carbons is detected.For the research of terrestrial reference geochemical, more hydrocarbon component information can be obtained, it is right
Geochemical anomaly is accurately described, and the practical exploration applications in multiple areas show it for one of effective Geochemical Methods.
Adsorbing Filament Technique sampling mainly has passive adsorption and active balancing two major classes.Passive adsorption main method is that silk is buried at scene
And tinning balances two kinds.Its required equilibration time is long, and silk is buried there are difficulty of construction and excessive cycle in scene, and canned balance is then
The defects of making a variation there are hydro carbons original position information.And actively aspirate balance to possess equilibration time short, easy to operate, it is excellent that stability is good etc.
Point has also promulgated corresponding standard for sample mode more commonly used at present in environmental area country《Surrounding air volatility has
Measurement adsorption tube sampling-thermal desorption/gas chromatography-mass spectrography of machine object》(HJ 644-2013).
But in soil adsorbed hydrocarbon sampling process, need after first using drilling tool drilling, then simultaneously with adsorption tube connection gas circuit
It is stretched into drilling with air sampler and carries out active pumping sample, there are following some defects：Cumbersome, sampling tool needs
It carries a variety of；It is sampled due to placing into adsorption tube after drilling, the leakproofness of drilling can not ensure, while also give band in drilling
Air is entered, stability is poor, can not reflect hydro carbons information in situ；Furthermore if humid area, sampling tool is arranged in no waterproof
It is easy so that adsorbent damp failure in the case of applying.
Therefore, the present invention wishes to solve the above problems to a certain extent by the sampling tool of design integration.
Invention content
The present invention provides a kind of active soil adsorbed hydrocarbon sampling drill to solve technical problem of the existing technology
Tool can simplify sampling apparatus and sampling flow, improve sampling the degree of automation, while promoting the stability of sample collection and resisting
Interference performance.Drilling tool of the present invention is suitble to field to carry and construction, using different Profiling for Soil Lithology and environment, different depth sampling
Soil adsorbed hydrocarbon gas sampling method.
According to the present invention, a kind of active soil adsorbed hydrocarbon sampling drilling tool is provided, including：
Tool body comprising：
Drilling rod, the drilling rod have hollow structure；
The drill bit being connect with one end of the drilling rod, the drill bit has hollow structure, in itself and the drilling rod connecting pin
Opposite end, which is equipped with, collects neat hole；
The handle being connect with the other end of the drilling rod, the other end are one end opposite with the drill bit；
Adsorbed hydrocarbons sampling apparatus comprising：
Filter core, the filter core are located in the hollow structure of the drill bit, are connect with the neat hole of collection；
Waterproof and breathable component, the waterproof and breathable component are located in the hollow structure of the drill bit, connect with the filter core
It connects；
Sampling pipe, the sampling pipe are located in the hollow structure of the drilling rod, and one end connects with the waterproof and breathable component
It connects, the other end connects collection device；
Air sampler, the air sampler are placed outside in air, are connect with collection device by pipeline；
Collection device, the collection device are placed outside in air, by pipeline respectively with the adsorbed hydrocarbons sampling apparatus
Sampling pipe connected with air sampler.
According to certain embodiments of the present invention, the drilling tool further includes environmental sensor, and the environmental sensor is external
In air, for recording every environmental parameter when sampling.
In some specific embodiments, the environmental sensor may include temperature sensor, humidity sensor and air pressure
Sensor, for recording temperature, humidity and pneumatic parameter when sampling.It should be appreciated that the environmental sensor and unlimited of the present invention
In this, it can also can measure including known other in state of the art and record the sensor of environmental parameter.
According to a preferred embodiment of the present invention, there is deep calibration on the outer surface of the drilling rod.
According to certain embodiments of the present invention, the outer surface of the drilling rod has screw thread.
According to a preferred embodiment of the present invention, the drilling rod is flexibly connected with drill bit formation, such as buckle, spiral shell
Line connection etc..
According to certain embodiments of the present invention, the drill bit is pyramidal structure.
In some preferred embodiments, it is additionally provided with strainer on the inside of the neat hole of collection, tentatively sample can be carried out
Filter prevents the pollution of sampling filter core, waterproof and breathable component and sampling pipe.
According to a preferred embodiment of the present invention, the drilling rod forms T-shaped with the handle and connect, the junction
Positioned at the centre position along the handle length direction.
According to certain embodiments of the present invention, the filter core is sintering metal filter core.
According to a preferred embodiment of the present invention, the waterproof and breathable component is polytetrafluoroethylene (PTFE) waterproof and breathable component.
The present invention can prevent liquid impurity from entering by the way that sintering metal filter core and polytetrafluoroethylene (PTFE) waterproof and breathable component is arranged
Sampling pipe causes the blocking and pollution of device, waterproof blocking-proof result good.
According to certain embodiments of the present invention, the sampling pipe is inside the drilling rod.
According to a preferred embodiment of the present invention, it is equipped on the pipeline between the sampling pipe and the collection device
Adsorbed hydrocarbons sample cock.The startup and stopping of sampling can be controlled by the switch of control valve.
According to certain embodiments of the present invention, it is set on the pipeline between the air sampler and the collection device
There is air sample cock.The startup and stopping of sampling can be controlled by the switch of control valve.
According to a preferred embodiment of the present invention, the pipeline is stainless steel pipeline.
The course of work and operation principle of the active soil adsorbed hydrocarbon sampling drilling tool of the present invention are as follows：
Sample needed for positioning, pierces required sampling depth, the scale being subject on drilling rod by handle by drilling tool；It opens
Open air sampler, absorption hydrocarbon samples, which pass sequentially through gas collection hole, strainer, filter core and waterproof and breathable component on drill bit and enter, to be located at
Adsorption sampling pipe in the drilling rod, while air sampler samples air, the adsorbed hydrocarbons obtained in adsorption sampling pipe
Sample and the atmospheric sample obtained by air sampler enter collection device by stainless steel pipeline, then are stored in sample bottle；
At the same time, the parameters such as temperature, humidity, the air pressure when sampling are recorded by environmental sensor.
Adsorbed hydrocarbons sampling apparatus is combined into one by the active soil adsorbed hydrocarbon sampling drilling tool of the present invention with drilling tool, while can be supervised
Various parameters when sampling, integrated level and high degree of automation are surveyed, it is simple in structure, simple flow is sampled, can increase substantially and adopt
Sample the degree of automation；Primary to pierce rear direct sampling, good airproof performance improves the stability and anti-interference ability of sample collection,
Ensure the original position of sample gas；The present invention is ensureing gas by metal filtering core and expanded PTFE waterproof and breathable component
Under the premise of road is unimpeded, the effect of anti-blocking waterproof is played.And drilling tool of the present invention is suitble to field to carry and construct, and uses difference
Profiling for Soil Lithology and environment, different depth sampling soil adsorbed hydrocarbon gas sampling method.
Description of the drawings
Fig. 1 is the structural schematic diagram that the active soil adsorbed hydrocarbon of the present invention samples drilling tool；
Fig. 2 is the sectional view of part A in Fig. 1；
Fig. 3 is the thermal desorption GC/MS testing result figures of adsorption tube in the embodiment of the present invention 1；
Reference sign：1, handle；2, drilling rod；3, drill bit；4, drill tip；5, screw thread；6, collect neat hole；7, strainer；
8, filter core；9, waterproof and breathable component；10, sampling pipe；11, air sampler；12, adsorbed hydrocarbons sample cock；13, air sampling valve
Door；14, environmental sensor；15, collection device.
Specific implementation mode
Technical scheme of the present invention is described further below in conjunction with drawings and examples：
As shown in Figure 1, the present invention active soil adsorbed hydrocarbon sampling drilling tool include tool body, adsorbed hydrocarbons sampling apparatus,
Environmental sensor and collection device；
Wherein, the tool body includes handle 1, drilling rod 2 and drill bit 3；Handle 1 forms T-shaped with drilling rod 2 and connect, and connects
Place is met positioned at the centre position of the handle；Drilling rod 2 has hollow structure, and outer surface has deep calibration, and palmistry
To the formation of one end and the drill bit 3 be flexibly connected, in the present embodiment, the flexible connection specially snaps connection, drill bit 3
End 4 be pyramidal structure, thereon have screw thread 5；Drill bit 3 is hollow-core construction, and gas collection hole 6, gas collection are provided in the end of drill bit 3
The inside in hole 6 is equipped with strainer 7；
Wherein, the adsorbed hydrocarbons sampling apparatus includes filter core 8, waterproof and breathable component 9, sampling pipe 10 and air sampler
11；Filter core 8 is sintering metal filter core, is located at hollow drill bit internal, is connect with the neat hole of the collection on drill bit 36；Waterproof and breathable
Component 9 is polytetrafluoroethylene (PTFE) component, is located inside hollow drill bit 3, is connect with filter core 8；Sampling pipe 10 is located at hollow brill
Inside bar 2, one end is connect with waterproof and breathable component 9, and the other end connects collection device 15；Air sampler 11 is placed outside air
In, it is connect with collection device 15 by pipeline；
Wherein, environmental sensor 14 can be used for recording temperature, humidity and the pneumatic parameter when sampling；
Wherein, collection device 15 is placed outside in air, by pipeline respectively with the sampling pipe of adsorbed hydrocarbons sampling apparatus 10
It is connected with air sampler 11, adsorbed hydrocarbons sample cock 12 is equipped on the pipeline between sampling pipe 10 and collection device 15,
Pipeline between air sampler 11 and collection device 15 is equipped with air sample cock 13.
Embodiment 1
(1) positioning takes out drilling tool, the adsorption tube after having activated is packed into the disassembled part of drilling tool to required sample
8；
(2) by the 1.5m depth of rod boring to required sampling, it is subject to scale shown on drilling rod；
(3) air sampler 11, while the temperature when record sampling of use environment sensor 14, humidity, air pressure, stream are opened
The parameters such as amount；
(4) typical gas flow is 0.1L/min, and acquisition time 20min waits for that gas sampling finishes, and closes gas and adopts
Sample pumps, while taking free gas sample 10ml, injection to fill in the sample bottle of saturated salt solution from syringe sample tap；
(5) drilling tool is exited, the adsorption tube after the completion of sampling is taken out, is sealed, sampling terminates；
(6) thermal desorption GC/MS analyses are carried out after adsorption tube being fetched laboratory.
Since the design of the drilling tool realizes waterproof sampling in situ so that the C5-C12 hydrocarbon components of low concentration can be short
Absorption is enriched in adsorption tube in time (within half an hour), and plurality of target material composition (N-alkanes is detected by GC/MS
Hydrocarbon, isoparaffin etc.).Adsorption filament need to be embedded in stratum and sample by traditional scheme, and adsorption filament is easy damp failure, need for a long time
Burying after silk balances for (7-14 days) is recycled and could be analyzed.
Any numerical value mentioned in the present invention, if between any minimum and any of the highest value be there are two
The interval of unit includes then each all values for increasing a unit from minimum to peak.For example, if statement is a kind of
The value of the state-variables such as the amount of component, or temperature, pressure, time is 50-90, in the present specification it means that specific
List 51-89,52-88 ... and the numerical value such as 69-71 and 70-71.For the value of non-integer, can with due regard to
0.1,0.01,0.001 or 0.0001 is a unit.This is only some special examples indicated.In this application, with similar side
The all possible combinations of formula, the numerical value between cited minimum and peak are considered to have disclosed.
It should be noted that embodiment described above is only used for explaining the present invention, do not constitute to any of the present invention
Limitation.By referring to exemplary embodiments, invention has been described, it should be appreciated that word used in it is descriptive
With explanatory vocabulary, rather than limited vocabulary.The present invention can be made within the scope of the claims by regulation
Modification, and the present invention is revised in without departing substantially from scope and spirit of the present invention.Although the present invention described in it relates to
And specific method, material and embodiment, it is not intended that the present invention is limited to particular case disclosed in it, on the contrary, this hair
It is bright to can be extended to other all methods and applications with the same function.
Claims (10)
1. a kind of active soil adsorbed hydrocarbon samples drilling tool, including：
Tool body comprising：
Drilling rod, the drilling rod have hollow structure；
The drill bit being connect with one end of the drilling rod, the drill bit has hollow structure, opposite with the drilling rod connecting pin at it
End be equipped with and collect neat hole；
The handle being connect with the other end of the drilling rod, the other end are one end opposite with the drill bit；
Adsorbed hydrocarbons sampling apparatus comprising：
Filter core, the filter core are located in the hollow structure of the drill bit, are connect with the neat hole of collection；
Waterproof and breathable component, the waterproof and breathable component are located in the hollow structure of the drill bit, are connect with the filter core；
Sampling pipe, the sampling pipe are located in the hollow structure of the drilling rod, and one end is connect with the waterproof and breathable component, separately
One end connects collection device；
Air sampler, the air sampler are placed outside in air, are connect with collection device by pipeline；
Collection device, the collection device be placed outside in air, is adopted respectively with the adsorbed hydrocarbons sampling apparatus by pipeline
Sample pipe is connected with air sampler.
2. drilling tool according to claim 1, which is characterized in that the drilling tool further includes environmental sensor, and the environment passes
Sensor includes probe and display, and described probe internally provided inside the tool body, the display is fixed on handle, is used
Every environmental parameter when recording sampling；Wherein, the probe is connected with display by conducting wire.
3. drilling tool according to claim 1 or 2, which is characterized in that have scale on the outer surface of the drilling rod.
4. according to the drilling tool described in any one of claim 1-3, which is characterized in that the outer surface of the drill bit has spiral shell
Line.
5. according to the drilling tool described in any one of claim 1-4, which is characterized in that the filter core is sintering metal filter core.
6. according to the drilling tool described in any one of claim 1-5, which is characterized in that the waterproof and breathable component is polytetrafluoro
Ethylene waterproof and breathable component.
7. according to the drilling tool described in any one of claim 1-6, which is characterized in that the drilling rod forms work with the drill bit
Dynamic connection.
8. drilling tool according to any one of claims 1-7, which is characterized in that the drilling rod forms fourth with the handle
Word connects.
9. according to the drilling tool described in any one of claim 1-8, which is characterized in that in the air sampler and the receipts
Pipeline between acquisition means is equipped with air sample cock.
10. according to the drilling tool described in any one of claim 1-9, which is characterized in that in the sampling pipe and the collection
Pipeline between device is equipped with adsorbed hydrocarbons sample cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255706.6A CN108731985A (en) | 2017-04-19 | 2017-04-19 | A kind of active soil adsorbed hydrocarbon sampling drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255706.6A CN108731985A (en) | 2017-04-19 | 2017-04-19 | A kind of active soil adsorbed hydrocarbon sampling drilling tool |
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| Publication Number | Publication Date |
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| CN108731985A true CN108731985A (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710255706.6A Pending CN108731985A (en) | 2017-04-19 | 2017-04-19 | A kind of active soil adsorbed hydrocarbon sampling drilling tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608928A (en) * | 2019-10-18 | 2019-12-24 | 重庆工程职业技术学院 | Gas collection system for coal mining |
| CN111551406A (en) * | 2020-05-25 | 2020-08-18 | 浙江明康工程咨询有限公司 | Anti-mixing shock-insulation type building foundation gas sample collector |
| CN112485069A (en) * | 2020-10-29 | 2021-03-12 | 中国地质大学（武汉） | Active soil gas acquisition and detection system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204789073U (en) * | 2015-07-10 | 2015-11-18 | 中国石油化工股份有限公司 | A get gas device for soil free gas |
-
2017
- 2017-04-19 CN CN201710255706.6A patent/CN108731985A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204789073U (en) * | 2015-07-10 | 2015-11-18 | 中国石油化工股份有限公司 | A get gas device for soil free gas |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608928A (en) * | 2019-10-18 | 2019-12-24 | 重庆工程职业技术学院 | Gas collection system for coal mining |
| CN111551406A (en) * | 2020-05-25 | 2020-08-18 | 浙江明康工程咨询有限公司 | Anti-mixing shock-insulation type building foundation gas sample collector |
| CN111551406B (en) * | 2020-05-25 | 2023-01-13 | 浙江明康工程咨询有限公司 | Anti-mixing shock-insulation type building foundation gas sample collector |
| CN112485069A (en) * | 2020-10-29 | 2021-03-12 | 中国地质大学（武汉） | Active soil gas acquisition and detection system |
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Application publication date: 20181102 |
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